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UITestBench, a lightweight UI testing library

, 3 Apr 2008 CPOL
This article describes how to build a lightweight test bench for testing user interfaces which are written entirely in C#/.NET, using NUnit or any other unit test framework.
/*
 * This file is licensed under the Code Project CPOL License
 * http://www.codeproject.com/info/cpol10.aspx
 * 
 * � Steffen Sch�tte 2008
 */

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;

namespace de.steffenschuette.UITest.Framework
{
    /// <summary>
    /// Encapsulates weak references to an UI element and it's owning form.
    /// </summary>
    public class UIElementInfo
    {
        private string elementId;

        private WeakReference element;

        /// <summary>
        /// Gets the weak reference to the UI element.
        /// </summary>
        /// <value>The item.</value>
        public object Element
        {
            get 
            {
                if (element.IsAlive)
                {
                    return element.Target;
                }
                else
                {
                    throw new Exception("Element '" + elementId + "' is no longer alive!");
                }
            }
        }

        private WeakReference owningForm;

        /// <summary>
        /// Gets or sets the owner. Used to invoke the item on it.
        /// </summary>
        /// <value>The owner.</value>
        public object OwningForm
        {
            get 
            {
                if (owningForm.IsAlive)
                {
                    return owningForm.Target;
                }
                else
                {
                    throw new Exception("Owning form of element '" + elementId + "' is no longer alive!");
                }
            }
            set { owningForm = new WeakReference(value, false); }
        }

        public UIElementInfo(object item, string elementId)
        {
            this.elementId = elementId;
            this.element = new WeakReference(item, false);
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

slkr171
Software Developer
Germany Germany
I currently hold the following qualifications

- PhD in Computer Science
- M.Sc. in Software Technology
- Diplom (FH) in Computer Science

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